Tag: Symptoms

Each week we answer some of your pressing questions about the coronavirus and how to stay safe. Email us your questions at goatsandsoda@npr.org with the subject line: “Weekly Coronavirus Questions.”

Does the size of a viral dose make a difference? That is, if you’re exposed to lots of viral particles, will you get sicker?

While there is a lot we don’t know about SARS-CoV-2, experts believe they can answer this question with confidence: Yes – the amount of virus a person is exposed to makes a difference in whether they get sick and how sick they get.

“Dose is important in everything we are doing in life,” says Peter Palese, a leading virologist who is professor and chair of microbiology at the Icahn School of Medicine at Mount Sinai in New York. “The same is also true for coronaviruses. It makes a lot of sense because if you have a

Overview

Types of cavities

Types of cavities

Cavities are decayed areas of your teeth that develop into tiny openings or holes. The three types of cavities are shown here. Smooth surface cavities occur on the smooth sides of your teeth, while root cavities develop on the surface over the roots. Pit and fissure cavities occur on the chewing surface of your teeth. Not cleaning your teeth well, frequent snacking and sipping sugary drinks are the main culprits behind cavities.

Cavities are permanently damaged areas in the hard surface of your teeth that develop into tiny openings or holes. Cavities, also called tooth decay or caries, are caused by a combination of factors, including bacteria in your mouth, frequent snacking, sipping sugary drinks and not cleaning your teeth well.